<!DOCTYPE html>
<html lang="en" xmlns:v-bind="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../../js/vue.js"></script>

</head>
<body>
<div id="id_div">
    <span v-bind:title="message">
        鼠标悬停查看信息
    </span>
</div>
<script >
    const app=new Vue({
        el:'#id_div',
        data:{
            message:"页面加载于："+new Date().toLocaleString()
        }
    })
</script>
</body>
</html>